#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
	int counter = 0;
	char str[100];
	printf("please input num:");
	while(((str[counter] = getchar()) != '\n'))counter ++;
	int i;
	for(i = 0; i < counter; i++)
	{
		print_en(str[i]);
	}
	return 0;
}

void print_en(char ch)
{
	switch (ch - 0x30)
	{
		case 0:
			printf("zero ");
			break;
		case 1:
			printf("one ");
			break;
		case 2:
			printf("two ");
			break;
		case 3:
			printf("three ");
			break;
		case 4:
			printf("four ");
			break;
		case 5:
			printf("five ");
			break;
		case 6:
			printf("six ");
			break;
		case 7:
			printf("seven ");
			break;
		case 8:
			printf("eight ");
			break;
		case 9:
			printf("nine ");
			break;
	}
}